240results about "Glass rolling apparatus" patented technology

The invention discloses an ultrathin photovoltaic glass production device and technology, and particularly relates to the technical field of glass production.The ultrathin photovoltaic glass production device comprises a device base, a tin liquid bin is fixedly installed at the top end of the device base, a material control mechanism is arranged at one end of the tin liquid bin, and a first support is fixedly installed at the bottom end of the material control mechanism; the first support is fixedly installed at the top end of the device base, a material returning mechanism is arranged at the end, away from the material control mechanism, of the tin liquid bin, and a second support is fixedly installed at the bottom end of the material returning mechanism. The size of the liquid outlet can be flexibly adjusted, so that the amount of the glass solution flowing into the tin liquid bin can be accurately controlled, the glass solution can be flatly laid on the upper surface of the tin liquid in an effective and accurate amount, and a layer of ultrathin glass solution is formed on the upper surface of the tin liquid; and the ultrathin glass can be subsequently formed.

The invention discloses an unequal-thickness flexible glass forming device and glass production equipment, and relates to the technical field of flexible glass production. The unequal-thickness flexible glass forming device comprises a feeding pipe, a material uniformizing hopper and a discharging nozzle. The refining hopper comprises a cache shell and two drainage channels, the two drainage channels are oppositely connected to the two sides of the feeding pipe, the two drainage channels are both connected with the cache shell, the drainage channels are arranged above the cache shell, and the ends, away from the feeding pipe, of the drainage channels are lower than the ends, close to the feeding pipe, of the drainage channels; the discharging nozzle is connected to the lower portion of the temporary storage shell, and a flange is arranged in the discharging nozzle. The unequal-thickness flexible glass forming device provided by the invention can realize one-time forming of unequal-thickness flexible glass, omits an etching processing step, is time-saving and labor-saving, improves the production efficiency, reduces the production cost, is suitable for large-scale commercial production, and is uniform in discharging, good in forming effect, capable of avoiding various product defects and high in yield.

The invention discloses an overflow port structure of an ultra-white rolled glass melting furnace in the technical field of glass melting furnaces. The overflow port structure comprises a branch passage, the overflow port is formed in one side of the tail end of the branch passage; the outlet arch is arranged above the overflow port; the first electric boosting piece is arranged at the bottom of the tail end of the branch path and is used for preventing the molten glass from crystallizing; the second electric boosting pieces are arranged on the overflow port pool walls on the two sides of the overflow port and are used for reducing the transverse temperature difference of the molten glass. According to the invention, an electric boosting mode is adopted, and the molten glass at the tail end of the branch path is integrally heated through the first electric boosting piece, so that the temperature of the molten glass at the tail end of the branch path can be increased, and a crystallization phenomenon is prevented; and the second electric fluxing piece is used for locally heating the glass liquid in the overflow port, so that the transverse temperature difference of the glass liquid in the overflow port is reduced, and the uniformity and the glass quality of the glass liquid are improved.

A glass manufacturing apparatus includes a delivery apparatus defining an upstream portion of a ribbon travel path extending in a first travel direction. The glass manufacturing apparatus includes a forming roll extending along an axis parallel to the travel path and perpendicular to the first travel direction. The forming roll includes a recess that imparts a protrusion to a ribbon traveling along the ribbon travel path in the first travel direction. The forming roll includes a first surface defining the recess and a first surface characteristic. The forming roll includes a second surface defining an area surrounding the recess and including a second surface characteristic. The first surface characteristic is different than the second surface characteristic. During a cooling period of time, the first surface cools at a faster rate than the second surface. Methods of manufacturing a ribbon are provided.

The invention discloses a calendaring forming device and a glass production line, and relates to the technical field of glass production. The calendaring forming device comprises a rack, a calendaring roller pair, a first cooling roller, a first turning roller and a transition roller set. The rolling pair rollers and the transition roller set are both installed on the machine frame, a pair roller gap is formed between the rolling pair rollers, the first cooling roller, the first turning roller and the transition roller set are sequentially arranged and are parallel to one another, the first cooling roller and the transition roller set are both arranged on the lower side of the glass belt, and the first turning roller is arranged on the upper side of the glass belt. The glass tape passing through the first cooling roller advances to the first turning roller at a first preset angle, the first preset angle is an included angle between the glass tape and the horizontal plane, and the range of the first preset angle is 95-105 degrees. The calendaring molding device provided by the invention can prevent the edge part of the glass tape from bending deformation, prevents the two sides of the glass tape from forming wavy edges, improves the flatness of the glass tape, and ensures the glass molding quality.

The invention discloses a calender control system for thin photovoltaic glass production, and belongs to the technical field of photovoltaic glass production control. The problems that an existing calender control system is insufficient in control precision, response speed and stability, and the high requirement for ultrathin photovoltaic glass production is difficult to meet are solved. The pressure sensor is used for monitoring the pressure of the compression roller in real time, anomaly detection and smooth processing are conducted in combination with the box plot method and the moving average method, the PID control model is adopted for dynamically adjusting the pressure, and equipment damage or the product quality problem is avoided; the temperature sensor monitors the temperature of the water-cooling and air-cooling systems in real time, accurate regulation and control are performed by using a discrete time PID algorithm, and an alarm mechanism is combined, so that the temperature stability is ensured, and the efficiency and quality are improved; based on a fuzzy control model, temperature and pressure data are integrated, the rolling speed is dynamically optimized through fuzzification, rule base, reasoning and defuzzification, the method adapts to complex nonlinear scenes, and the production stability and the product consistency are remarkably improved.

The invention discloses a preparation method of impact-resistant high-strength double-plated tempered photovoltaic glass, and belongs to the technical field of photovoltaic glass production and processing, a whole set of 2.0 mm photovoltaic glass production and processing technology is established through the working procedures of burdening, melting, forming, annealing, cutting, stacking, edging, film plating, tempering and the like, and when a double-plated tempered 2.0 mm photovoltaic glass product is produced, the impact-resistant high-strength double-plated tempered photovoltaic glass product is produced, the production cost is reduced, and the production efficiency is improved. By controlling the thickness of the photovoltaic glass in the forming production of the photovoltaic glass and controlling the film layer thickness of the first coating film in the double-coating film coating processing of the photovoltaic glass, the furnace temperature curve process in the tempering processing is greatly improved, and the tempering size performance is ensured to reach the standard while the tempering safety performance is improved.

The present invention relates to a preparation method and a preparation device for ultra-thin rolled glass for solar cells. Compared with the existing rolled glass preparation technology, the present invention targets the particularity of ultra-thin rolled glass for solar cells, conducts technical innovations in multiple processes, and forms a brand-new ultra-thin rolled glass preparation technology. Specifically, it includes: in the glass component selection and batching process, optimizing the design of glass components to improve the impact resistance of ultra-thin rolled glass; in the melting and clarification process, improving the clarifier formula and setting the melting furnace combustion atmosphere to an oxidizing atmosphere to achieve efficient melting and clarification of the glass liquid; in the forming process, adopting a multi-stage rolling forming process to achieve the forming of ultra-thin glass ribbons with small thickness differences; in the annealing process, adopting an annealing process that finely controls the temperature of each annealing area and accurately controls the cooling rate of the glass ribbon to achieve precise annealing of the ultra-thin rolled glass ribbon. The ultra-thin rolled glass produced by the present invention has the advantages of small thickness difference, high impact resistance, and high transmittance.

The present disclosure relates to the technical field of glass production. Disclosed are a calendering molding device and a glass production line. The calendering molding device comprises a rack, and a glass melt flow channel, a conveying hopper and a calendering roller pair that are arranged on the rack. The conveying hopper extends in the horizontal direction and is provided with a feeding port and a discharging port opposite to each other; the feeding port is in communication with the glass melt flow channel, the calendering roller pair has a roller pair gap, and the roller pair gap is arranged in a discharging direction of the discharging port. The conveying hopper is configured to convey a glass melt flowing out of the glass melt flow channel to the roller pair gap in the horizontal direction, and the calendering roller pair is configured to perform calendering molding on the glass melt to form a glass ribbon. The calendering molding device provided by the present disclosure can improve the uniformity of the flow rate of the glass melt, ensuring the uniform thickness of the calendering-molded glass ribbon, improving product quality.

The invention relates to the technical field of glass ceramics, in particular to a silicon dioxide-containing glass ceramic wafer substrate and a preparation method thereof. The preparation method comprises the following steps: weighing aluminum oxide, hydroxyethyl urea, chromium dioxide, lithium oxide, magnesium oxide, titanium dioxide, a clarifying agent, a toughening agent and silicon dioxide; preparing an aqueous solution from hydroxyethyl urea, and putting the powder, a clarifying agent, a toughening agent and the aqueous solution into a ball milling tank to obtain slurry; carrying out vacuum defoaming, tape casting, drying, glue removal heat treatment, glass melting, rolling and annealing treatment to obtain a glass plate; and polishing, ultrasonically cleaning and drying the glass plate to obtain the wafer substrate. According to the preparation method, hydroxyethyl urea and chromium dioxide are combined under a specific controlled heat treatment system, so that the functions of a conventional dispersing agent are exceeded, a unique toughening phase existing in a grain boundary is generated through in-situ reaction, uniform formation of a superfine nanocrystalline structure is realized synergistically, and thus the fracture toughness and the surface flatness of the material are synchronously and remarkably improved.

The present disclosure relates to the technical field of glass production. Disclosed are a hopper mechanism and a glass product production device. The hopper mechanism comprises a housing and a discharging hopper, the discharging hopper being arranged in the housing. The bottom of the housing is provided with a clearance opening. The discharging hopper is provided with a discharging nozzle, the discharging nozzle comprising a heat preservation section and an exposed section which are connected to each other, the heat preservation section being arranged in the clearance opening, the exposed section extending out of the clearance opening, and the height range of the exposed section being 20 mm to 50 mm. Compared with the prior art, the hopper mechanism provided by the present disclosure uses the heat preservation section arranged in the clearance opening and the exposed section extending out of the clearance opening, so that the hopper mechanism can effectively avoid the risk of sticking onto rollers during rolling processes and fold mark defects after rolling, thereby ensuring the forming quality of glass.

The embodiments of the present application relate to the technical field of glass production. Disclosed are a discharging mechanism and a glass-ceramic production device. The discharging mechanism comprises a discharging hopper, a first heating member and a second heating member. The discharging hopper comprises a receiving section, a buffer section, a homogenizing section and a discharging nozzle, which are arranged in sequence in a discharging direction, wherein the material receiving section has a greater volume than the homogenizing section, the buffer section is configured to be in a neck shape, a larger end of the buffer section is connected to the receiving section, a smaller end of the buffer section is connected to the homogenizing section, the homogenizing section is connected to the discharging nozzle, the first heating member is connected to the receiving section, the second heating member is connected to the homogenizing section, and the first heating member has a lower heating power than the second heating member. Compared with the prior art, the discharging mechanism provided in the embodiments of the present application can perform buffering and segmented precise temperature control on a glass melt, thereby effectively improving the flow uniformity and temperature distribution uniformity of the glass melt, and ensuring the product quality.

The utility model discloses conductive patterned glass with high light transmittance, the bending strength of the conductive patterned glass is greater than 90.0 MPa, the light transmittance of the conductive patterned glass is greater than 85%, the conductive patterned glass comprises a glass substrate, the glass substrate is provided with a light-in surface and a light-out surface which are opposite, the light-in surface is provided with a light-in surface pattern structure, and the light-out surface is provided with a light-out surface pattern structure; the at least one antireflection layer is sequentially stacked on the light incident surface pattern structure; the interface layer is stacked on the light-emitting surface pattern structure; the at least one conductive function layer is sequentially stacked on the interface layer; the interface layer is used for improving the adhesive force between the conductive functional layer and the glass substrate, and the conductive functional layer can reflect near-infrared light with the wave band of 1100-2500nm.

A method and apparatus for manufacturing glass articles includes a glass transport apparatus including a plenum chamber having a fluid inlet, a plurality of slide gates in fluid communication with the plenum chamber, the slide gates including a plurality of apertures and movable from a first position to a second position, and a fluid support table including a plurality of orifices proximate the plurality of slide gates.

The application provides a preparation method of an electronic device shell, an electronic device shell and an electronic device. The preparation method of the electronic device shell comprises the following steps: preparing a first liquid glass substrate; adding a material for realizing a human feature detection function or a device function in a set area of the first liquid glass substrate to form a composite material; integrally processing the composite material into a blank for preparing the electronic device shell; and cutting the blank to form the electronic device shell. The preparation method of the electronic device shell provided by the application can make the blank have multiple functional structures for human feature detection in the process of one-time forming of the substrate, solves the problem of complex manufacturing process of the electronic device shell, reduces the production cost of the electronic device shell, and shortens the production cycle of the electronic device shell.

The invention provides a window manufacturing apparatus and a window manufacturing method using the same. The window manufacturing apparatus may include: a melting unit configured to supply molten glass; and a shape processing unit disposed adjacent to the melting unit in a direction in which the molten glass is discharged from the melting unit. The shape processing unit may include a protruding portion that forms a groove in the preliminary glass discharged from the melting unit, so that glass manufacturing and shape processing can be continuously performed, thereby improving process quality of the manufactured window and improving process economy.

The utility model relates to the technical field of photovoltaic glass production, in particular to a photovoltaic glass production line calendering roller water cooling plate which comprises a water cooling plate shell, a water cooling mechanism is arranged on the water cooling plate shell, the water cooling mechanism comprises a grating plate, a cooling outer pipe, a connecting outer pipe, a drainage pipeline and a water inlet pipeline, and a soaking mechanism is arranged on the water cooling plate shell. By arranging the soaking mechanism, when the calendaring roller drives the abutting roller to rotate through friction force, cold air on the surface of the water cooling plate shell and hot air on the surface of the calendaring roller are fully disturbed, heat transfer is accelerated through full mixing of the cold air and the hot air, and the cooling efficiency is remarkably improved; the temperature of the surrounding environment can be effectively reduced, heat absorbed by other parts of the calender due to heat radiation is reduced, the temperature of the calender is reduced, the other parts of the calender are cooled, and the working environment of operators is improved.

The utility model discloses a durable flange brick structure which comprises a brick body and a tip end, the tip end is arranged at the rear end of the brick body, and the tip end and the brick body are integrally formed. One end, close to the calender, of the tip extends between the upper calender roll and the lower calender roll, and the end is provided with an upper cambered surface and a lower cambered surface which are matched with the surface radians of the upper calender roll and the lower calender roll respectively; the baffle is detachably mounted on one side surface of the tip, is used for isolating the molten glass from the tip, covers the tip and is arranged in a profiling manner according to the outer contour of the tip; the positioning part is formed by forward extension of the baffle, and the positioning part is in concave-convex fit with the brick body part so as to realize positioning of the baffle relative to the flange brick body. According to the flange brick structure provided by the utility model, the baffle plate can be quickly and accurately mounted through the positioning part, the baffle plate can improve the structural strength of the flange brick body, the tip breakage caused by the erosion of molten glass is avoided, the stability of the plate width of the molten glass out of a calender is maintained, and the production efficiency is improved.

An apparatus and method for positioning and receiving the shaft of a glass forming roll includes a rotatable member and a radially moveable member mounted on the rotatable member, the radially moveable member having a bore for receiving the shaft of the glass forming roll and movable between a first position and a second position, the first position closer to an axis of rotation of the rotatable member than the second position

The present application belongs to the field of glass hot-pressing technology equipment, and particularly relates to a precision roller pressing equipment. The precision roller pressing equipment comprises a roller pressing structure, a moving structure and a heating positioning structure. The roller pressing structure comprises a box body with a hot-pressing cavity, a roller cylinder rotatably arranged in the hot-pressing cavity, and a driver for driving the roller cylinder to rotate. The cavity bottom of the hot-pressing cavity is provided with a relief hole. The moving structure is located below the roller cylinder and comprises a horizontal moving assembly and a vertical moving assembly connected with the horizontal moving assembly. The heating positioning structure is located below the relief hole and comprises a heating assembly connected with the vertical moving assembly and having a heating surface, and a positioning plate arranged above the heating assembly and covering and abutting against the heating surface. The positioning plate is provided with a positioning hole corresponding to the position of the heating surface. The heating surface is partially exposed at the positioning hole. The positioning hole is shaped to be adapted to the workpiece. The workpiece is accommodated and positioned in the positioning hole and covers the heating surface at the positioning hole. The present application can improve the uniformity of the temperature field of the heating surface and improve the positioning precision of the glass plate.

The invention discloses a calendaring forming device and a glass production line, and relates to the technical field of glass production. The calendaring forming device comprises a rack, and a glass melt runner, a conveying hopper and a calendaring roller pair which are arranged on the rack. The conveying hopper extends in the horizontal direction and is oppositely provided with a feeding port and a discharging port, the feeding port is communicated with the glass melt runner, the calendering roller pair is provided with a roller pair gap, the roller pair gap is formed in the discharging direction of the discharging port, and the conveying hopper is used for conveying the glass melt flowing out of the glass melt runner to the roller pair gap in the horizontal direction; the rolling pair rollers are used for carrying out rolling forming on the glass melt so as to form a glass tape. The calendaring molding device provided by the invention can improve the uniformity of the flow velocity of the glass melt, ensure the uniform thickness of the calendaring molded glass tape, and improve the product quality.

The utility model discloses a glass calender roller way cleaning and draining device which comprises a base and a blowing executing mechanism which is arranged on the base and used for being connected with an air source providing compressed air, and the height position and the blowing angle of the blowing executing mechanism can be adjusted. The roller way cleaning drainage device for the glass calender disclosed by the utility model can be used for directly purging water for cleaning an upper roller, so that the water for cleaning the upper roller can be discharged in time, and the water for cleaning the upper roller is prevented from entering an annealing kiln to cause process fluctuation; and the purging executing mechanism can be conveniently adjusted up and down and left and right according to the site condition, so that the air blowing opening can rapidly drain water at the most appropriate angle, and the water drainage effect is improved.

A glass manufacturing apparatus includes a delivery apparatus defining a travel path extending in a travel direction. The delivery apparatus conveys a glass ribbon along the travel path in the travel direction of the delivery apparatus. The glass manufacturing apparatus includes a first forming roll and a second forming roll spaced apart from the first forming roll to define a gap. The first forming roll and the second forming roll receive the glass ribbon along the travel path within the gap. A drive apparatus is coupled to the first forming roll and the second forming roll. The drive apparatus moves one or more of the first forming roll independently of the second forming roll or the second forming roll independently of the first forming roll to change a width of the gap.

The present disclosure is directed to methods and techniques for gob-pressing a glass part of challenging geometries, such as large surfaces with thin thickness as well as features positioned far from a centroid of the part.

The invention relates to the technical field of microcrystalline plates, in particular to an industrial microcrystalline plate manufactured from graphite tailings and a manufacturing method, the industrial microcrystalline plate is prepared from the following raw material components in percentage by mass: 62-70% of graphite tailings, 6-10% of quartz sand, 6.0-7.0% of sodium carbonate, 5-7% of limestone, 2-2.8% of dolomite, 3-4% of sodium fluosilicate, 1.5-2% of sodium nitrate and 0.1-0.2% of cerium oxide. By analyzing the components of the graphite tailings and adopting a specific formula combination, the graphite tailings are manufactured into the microcrystalline plate with excellent industrial wear resistance and corrosion resistance, so that the problems that the microcrystalline plate manufactured by the existing formula is poor in wear resistance and poor in corrosion resistance are solved. The wear-resistant lining is not applicable to gangue bins, coal storage bunkers, dumper rooms and coal preparation plant equipment in the coal industry.

The invention discloses a light guide glass calendering roller and a preparation method and application thereof, and relates to the technical field of calendering rollers, the surface of a roller body of the light guide glass calendering roller is provided with a plurality of groups of convex columns which are distributed in parallel and have semi-elliptical sections, the length ratio of the long axis to the short axis of the semi-ellipse is 1: (10-20), and the distance between every two adjacent convex columns is smaller than or equal to 5 microns. Due to the design of the convex columns on the surface of the roller body, lines corresponding to the distribution state of the convex columns can be pressed on the surface of the light guide glass when the light guide glass is rolled, so that the light guide performance of the light guide glass is improved; meanwhile, the Co-Cr alloy plating layer is arranged outside the roller body, so that in the actual production process, when the calendering roller rotates, the roller is often damaged due to the impact of molten foreign matters in molten glass; the addition of cobalt in the Co-Cr alloy coating can form a finer and more uniform co-deposition structure, reduce brittle phases, improve the energy absorption capability of the Co-Cr alloy coating under dynamic load, and further improve the impact resistance of the calendering roller.

The invention belongs to the technical field of glass production, and discloses rolling equipment. The equipment comprises a roller set, a first driving assembly and a first coupler, the roller set comprises an upper calendaring roller and a lower calendaring roller which are arranged in parallel, the upper calendaring roller and the lower calendaring roller are used for conducting the calendaring process, the first driving assembly is in transmission connection with one end of the first coupler, and the other end of the first coupler is in transmission connection with the lower calendaring roller. A transmission included angle alpha is formed between the first coupler and the lower calendering roller and between the first coupler and the first driving assembly, and the transmission included angle alpha is not smaller than 1 degree and not larger than 5 degrees. By setting the transmission included angle alpha, the installation space of the first driving assembly is enough to guarantee output of large torque, the common glass thickness requirement can be met, and the glass quality during large-tonnage production is guaranteed. Moreover, the load of the first coupler is moderate, and the transmission requirement of large torque and the service life of the first coupler are both considered, so that frequent maintenance and overhaul are avoided, and the production efficiency of glass is guaranteed.

The utility model discloses a cooling device of a calendering roller for glass preparation, which comprises an electric push rod and is characterized in that the lower end of a telescopic rod of the electric push rod is fixedly connected with a supporting block, one side of the supporting block is rotatably connected with one ends of two connecting rods, and the other end of each connecting rod is rotatably connected with the middle of a supporting rod; the upper end of each supporting rod is rotationally connected with the two ends of a transverse block of a limiting block, and a shell of the electric push rod is fixed to the center of the limiting block. The lower ends of the supporting rods are fixedly connected with one end of the frame. And a semiconductor chilling plate is arranged in the frame. The utility model relates to the technical field of calendaring roller cooling, in particular to a cooling device of a calendaring roller for glass preparation, which is convenient for cooling the calendaring roller.

Provided is a glass composition comprising 25 to 40 mass% SiO2, 2.5 to 10 mass% B2O3, 0 to 10 mass% Al2O3, 0 to 15 mass% Li2O, 0 to 16 mass% Li2O, Na2O, and K2O in total, 10 to 25 mass% CaO, 0 to 15 mass% BaO, 0 to 5 mass% MgO, 0 to 5 mass% SrO, 10 to 30 mass% CaO, BaO, MgO, and SrO in total, 0 to 7 mass% ZnO, 2 to 10 mass% ZrO, 2 to 15 mass% TiO2, 5 to 25 mass% Nb2O5, 0 to 5 mass% Ta2O5, 5 to 25 mass% La2O3, and 0 to 5 mass% Y2O3. The glass composition has a refractive index of about 1.74 to about 1.80 and a viscosity of about 3.5 g / cm 3 ~About 4.0g / cm 3 , a critical cooling rate of about 1°C / min to about 50°C / min, and a liquidus viscosity of more than 25 poise.

The utility model discloses a roller surface temperature measurement structure of a calender roller, the measurement object of a temperature measurement element is the inner wall of the calender roller with lower degree of finish than the roller surface, and the temperature measurement element is positioned in the calender roller with more closed space and higher and more stable temperature than the external environment, so that the influence of factors such as the degree of finish and the environment temperature on the temperature measurement can be better avoided; the detection end of the temperature measurement element is abutted against and fixed on the inner wall of the calendering roller, and heat of the inner wall of the calendering roller is directly transmitted to the detection end of the temperature measurement element, so that the temperature measurement of the temperature measurement element can better avoid the influence of the measurement distance and the environment temperature; a comparison table of the wall thickness of the calendaring roller and the temperature compensation value is preset in the temperature measurement output equipment, during use, the temperature measurement output equipment selects the temperature compensation value according to the current wall thickness of the calendaring roller, and the temperature value obtained by converting an electric signal fed back by the temperature measurement element is combined with the temperature compensation value and then output, so that the output value is closer to the real roller surface temperature; and the reliability of a temperature measurement result is improved.